Flights from London to the United States from $ 555*

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Changed bag rules and optional services         Cruise Packages

Find United's best fares from London to the United States

$
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  • London (LHR)to

    Denver (DEN)
    02/09/26 - 02/16/26
    from
    $ 722
    Viewed: 15 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Houston (IAH)
    01/21/26 - 01/29/26
    from
    $ 1,036
    Viewed: 22 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Washington, D.C. (IAD)
    03/12/26 - 03/16/26
    from
    $ 827
    Viewed: 22 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Orlando (MCO)
    01/12/26 - 01/22/26
    from
    $ 636
    Viewed: 22 hours ago
    Roundtrip
    Economy

  • London (LHR)to

    Dallas (DFW)
    12/16/25 - 01/12/26
    from
    $ 1,533
    Viewed: 1 hour ago
    Roundtrip
    Economy

    London (LHR)to

    Portland, OR (PDX)
    03/29/26 - 04/05/26
    from
    $ 1,570
    Viewed: 7 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Miami (MIA)
    04/29/26 - 05/06/26
    from
    $ 634
    Viewed: 1 day ago
    Roundtrip
    Economy

    London (LHR)to

    Phoenix (PHX)
    12/14/25 - 03/11/26
    from
    $ 1,321
    Viewed: 17 hours ago
    Roundtrip
    Economy

  • London (LHR)to

    Kansas City (MCI)
    03/25/26 - 04/12/26
    from
    $ 1,563
    Viewed: 1 day ago
    Roundtrip
    Economy

    London (LHR)to

    Austin (AUS)
    02/27/26 - 03/08/26
    from
    $ 823
    Viewed: 1 day ago
    Roundtrip
    Economy

    London (LHR)to

    Tampa (TPA)
    02/08/26 - 02/15/26
    from
    $ 704
    Viewed: 18 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Charlotte (CLT)
    04/01/26 - 04/30/26
    from
    $ 1,369
    Viewed: 1 day ago
    Roundtrip
    Economy

  • London (LHR)to

    San Diego (SAN)
    12/16/25 - 12/22/25
    from
    $ 1,415
    Viewed: 1 day ago
    Roundtrip
    Economy

    London (LHR)to

    Las Vegas (LAS)
    02/24/26 - 03/01/26
    from
    $ 888
    Viewed: 43 minutes ago
    Roundtrip
    Economy

    London (LHR)to

    Raleigh (RDU)
    12/20/25 - 01/03/26
    from
    $ 2,041
    Viewed: 2 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Saint Louis (STL)
    12/18/25 - 01/22/26
    from
    $ 1,509
    Viewed: 23 hours ago
    Roundtrip
    Economy

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

Business class flights from London to the United States

$

London (LHR)to

Newark/New York (EWR)
08/02/26 - 08/24/26

Roundtrip

Business

from
$ 3,204
Viewed: 2 hours ago

London (LHR)to

San Francisco (SFO)
03/25/26 - 04/08/26

Roundtrip

Business

from
$ 5,495
Viewed: 15 hours ago

London (LHR)to

Los Angeles (LAX)
10/24/26 - 10/30/26

Roundtrip

Business

from
$ 4,285
Viewed: 22 hours ago

London (LHR)to

Chicago (ORD)
10/28/26 - 11/06/26

Roundtrip

Business

from
$ 3,724
Viewed: 20 hours ago

London (LHR)to

Denver (DEN)
04/11/26 - 04/18/26

Roundtrip

Business

from
$ 2,823
Viewed: 15 hours ago

London (LHR)to

Houston (IAH)
04/29/26 - 05/03/26

Roundtrip

Business

from
$ 4,464
Viewed: 22 hours ago

London (LHR)to

Washington, D.C. (IAD)
03/12/26 - 03/16/26

Roundtrip

Business

from
$ 4,559
Viewed: 22 hours ago

London (LHR)to

Orlando (MCO)
01/12/26 - 01/22/26

Roundtrip

Business

from
$ 4,545
Viewed: 22 hours ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.